ripperdev

func GroupBy(data any) map[string][]ObjForGroupBy {
	datas := reflect.ValueOf(data)
	var result = make(map[string][]ObjForGroupBy)
	l := datas.Len()
	for i := 0; i < l; i++ {
		obj := datas.Index(i).Interface().(ObjForGroupBy)
		strV := obj.GetValueForGroupBy()
		result[strV] = append(result[strV], obj)
	}
	return result

ripperdev

#include <stdio.h>
#include <string>

#pragma warning(disable : 4996)

int main() {
	FILE* stream;
	std::string file_name = "c:\\abc\\uyhb.jpg";
	if ((stream = fopen(file_name.c_str(), "r")) == NULL) {
		printf("failed\n");